本程序主要用来计算根据灰色理论建立的模型的预测值。 应用的数学模型是 GM(1,1)。 原始数据的处理方法是一次累加法。-This procedure is mainly used to establish based on gray theory model of predictive value. Application of the mathematical model is GM (1,1). Treatment of the raw data is a cumulative m